{ "id": "cazabe-pan-de-las-indias", "type": "entity", "name": "Cazabe: the Taíno bread of a poisonous root, and the press a Spanish official wrote down in 1535", "summary": "Bitter cassava kills unless its juice is pressed out and the pulp heated. Oviedo set down the whole Taíno sequence - the grater, the woven çibucan press, the clay burén - along with the market price of a carga in Santo Domingo, the year the bread keeps at sea, and the remark that few Indians still knew the trick because the old ones were dead. Modern neurology confirms what the process is for.", "locale": "en", "tags": [ "agriculture", "food", "technology", "indigenous-knowledge", "caribbean", "columbian-exchange", "americas", "spanish-empire", "taino", "science" ], "relations": [ { "rel": "related", "target": "oviedo-historia-general-y-natural-de-las-indias" }, { "rel": "related", "target": "columbian-exchange" }, { "rel": "related", "target": "nixtamalization-and-the-maize-transfer" }, { "rel": "related", "target": "sweet-potato-and-the-manila-galleon" } ], "questions": [ "What is cazabe and how was it made?", "How did the Taíno make bitter cassava safe to eat?", "What is a çibucan and what is a burén?", "Did the Spanish eat cassava bread in the Caribbean?", "What did cassava bread cost in sixteenth-century Santo Domingo?", "Why does improperly processed cassava cause disease?" ], "claims": [ { "id": "c1", "text": "The chapter is headed as a description of a food the colonists had already adopted: \"Del pan de los indios que se llama caçabi, que es la segunda manera de pan que en esta Isla Española é otras partes haçen los indios, y al pressente assi mismo los chripstianos, y aun algunos lo usan mas que el mahiz, é lo tienen por mejor é se sirven mas dello, lo qual se haçe de una planta que llaman yuca\". The heading is the whole transfer in one sentence - an indigenous bread, made by Spaniards within forty years of contact, and preferred by some of them to maize.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.9 }, { "id": "c2", "text": "The plant is grown in a conuco, \"que assi se llama conuco la haça ó heredad de la yuca é de la labrança\", on round mounds of earth laid out in rows \"como en el reyno de Toledo ponen las viñas\", each mound eight or nine feet round and planted with six, eight or ten cuttings of the stem. It is set after the moon has shown new \"é lo mas presto que ser puede en los dias que cresçe hasta el lleno della, pero nunca en la menguante\", and it is harvested after a year or more, better at a year and a half or two - ten months only in great need.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.85 }, { "id": "c3", "text": "The root of the Española is lethal raw. Any man or animal that eats the roots \"con el çumo, assi en fructa, como está antes que se le saque el çumo (en çiertas prenssas), luego muere sin remedio alguno\"; of the expressed juice Oviedo writes that \"con un solo y pequeño trago matará un elephante ó qualquier otro animal ó hombre viviente\". He also records the distinction that modern agronomy calls bitter and sweet cassava: in Tierra Firme \"hay yuca que no es mortal, é no mata, la qual en la vista y en la rama y en el fructo é hoja es como la desta isla, que mata\" - two plants that cannot be told apart by eye.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.85 }, { "id": "c4", "text": "The detoxification is a machine, and it is described step by step. The root is scraped clean with shells, grated on rough stones and graters, and the mash packed into a çibucan - \"una talega luenga de empleyta, hecha de corteças de árboles blandas, texida algo floxa, de labor de una estera de palma\", ten or twelve palmos long and as thick as a leg. The full tube is hung from a wooden alçaprima with a windlass, stone weights are tied to its lower end, and the turning \"estruja y exprime la yuca é le sale todo el çumo... hasta que no le queda á la yuca gota de çumo ó mosto\". That juice, \"pestífero veneno\", is poured on the ground and lost.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.9 }, { "id": "c5", "text": "What is left in the tube, \"como suelen quedar unas almendras exprimidas mucho é seco\", is baked on a burén - \"una caçuela llana de barro é tan grande quanto un harnero é sin paredes\", set over a hollow fire so that the flame does not reach the plate. The meal is spread two fingers deep, turned with small boards \"en lugar de paleta\", and the finished cake is left a day or two in the sun \"para que se enxugue, y queda muy buen pan\". Where much is wanted, many çibucanes and many burenes are set going at once.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.9 }, { "id": "c6", "text": "The bread was graded and priced like any other commodity. It was made about half a finger thick for ordinary people, and for \"personas principales\" as thin as wafers \"é tan blanco como un papel\", a fineness that had its own Taíno name, xauxau. A carga - two arrobas, \"çinqüenta libras de á diez é seys onças\" - was worth a ducado in the city of Santo Domingo when dear, half a peso when cheap, and sometimes reached a peso de oro, \"que son quatroçientos é çinqüenta maravedis\"; \"para muchos en esta tierra es buena granjería, porque se gasta de aqueste pan mucha cantidad\".", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.85 }, { "id": "c7", "text": "Its keeping quality is what made it the ship's bread of the Caribbean: \"Sostiénesse el pan de caçabi un año é mas, é llévasse por la mar por todas estas islas é costas de la Tierra-Firme, é aun hasta España lo he yo llevado é otros muchos; y en estas mares y tierras de acá es muy buen pan, porque se tiene mucho sin se corromper ó dañar, excepto si no se moja.\" A bread that keeps a year without salt, biscuit ovens or wheat is a logistical fact, and the Spanish navigation of the islands ran on it.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.85 }, { "id": "c8", "text": "The lethal juice itself was worked into three foods by controlled heating, an empirical chemistry recorded without any theory to explain it: given two or three boilings it is eaten as a soup, \"como en un buen potaje y cordial\" - though not cold, which they held to be indigestible; boiled down by two parts and left in the night air two or three days it turns sweet and is used as a sweet liquor; boiled and aired a second time it turns sour and \"sírveles como vinagre ó licor agro, en lo que quieren usar dél sin peligro alguno\".", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.8 }, { "id": "c9", "text": "In the middle of the recipe stands a sentence of demographic history: \"estas experiençias pocos indios las saben ya haçer, porque los viejos son muertos, é porque los chripstianos no lo han menester\". Written of the Española in the 1530s, it records the loss of a technique inside two generations - the elders dead, and the new masters with sugar and Castilian citrus enough not to need the sweet and sour liquors the juice had yielded. The knowledge and the people who held it are being lost in the same clause.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.8 }, { "id": "c10", "text": "The same poison was an instrument of death under the colonial regime, and Oviedo says so: when a man wished to kill himself he ate the root or drank the juice, and \"acaesçió algunas veçes convidarse muchos juntos á se matar, por no trabaxar ni servir, y de çinqüenta en çinqüenta, é mas é menos juntos, se mataban con sendos tragos deste çumo\". His explanation is that they did it to avoid labour and on the counsel of \"su çemi (ó diablo)\". The fact of the mass suicides is his; the reading of them is that of a royal official and beneficiary of the settlement, who nowhere asks what the labour was, which is why this claim carries the fact at a lower confidence than the technical ones and names the interest behind the gloss.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.7 }, { "id": "c11", "text": "The varieties were named and selected by their growers, and the names are Taíno: six kinds in the Española - ypatex, diacanan (held the best, \"porque redunda mas pan della\"), nubaga, tubaga, coro and tabacan - with the note that \"estos nombres particulares destos géneros de yuca, en otras islas é en la Tierra-Firme son de otra manera, segund las diferençiadas lenguas\". A named cultivar set is the signature of long selection, and it survives here only because a Spanish official wrote the words down.", "sources": [ "oviedo-historia-1851-tomo1-libro-vii-cap-ii" ], "confidence": 0.8 }, { "id": "c12", "text": "What the sixteenth-century page describes is now one of the largest food crops on earth, and it left the Americas in the same century: cassava was \"domesticated as much as 10,000 years ago, within the south-western rim of the Amazon basin (in modern day Brazil)\" from the wild Manihot esculenta ssp. flabellifolia, and \"during the 16th century Portuguese traders introduced cassava to the western shores of Africa, initially to provide provisions for slave ships\". It now provides \"calories for nearly half a billion people worldwide\", with Africa contributing 61% of global production. The carrier of the crop across the Atlantic was Portuguese rather than Spanish, and the first use named for it in Africa is the provisioning of slavers: both belong on the record beside the Caribbean history.", "sources": [ "ferguson-2019-cassava-global-diversity" ], "confidence": 0.85 }, { "id": "c13", "text": "The press and the fire were not folklore. Konzo, \"a symmetrical, permanent and irreversible spastic paraparesis (motor neuron disease)\", follows \"chronic dietary reliance on insufficiently processed cyanogenic cassava\", whose linamarin yields cyanide; outbreaks are reported from Mozambique, Tanzania, the Central African Republic, Cameroon, Angola, the Democratic Republic of the Congo and Zambia, it strikes mainly children over three and women of childbearing age, and those affected are \"estimated to hundreds of thousands\", most of them in the DRC. The sequence Oviedo copied down - grate, press out every drop, heat what remains - is the reason the bread is food and not a neurotoxin, and where the sequence is cut short the disease appears.", "sources": [ "kashala-abotnes-2018-konzo" ], "confidence": 0.8 } ], "takeaways": [], "faqs": [], "evidence_tier": "secondary", "evidence": { "level": "industry_observation", "source_types": [ "paper" ] }, "moat_flag": false, "winning_edge": "Cassava bread is normally handled in one of two ways: as a Caribbean food note (\"the Taíno made casabe\"), or as a modern agronomy topic with a sentence of history in front of it. Neither carries the process. This object takes the earliest detailed technical description of it - Oviedo's chapter, read as page scans in the Real Academia de la Historia printing - and gives the machine in the words of the man who watched it work: the çibucan of woven bark ten to twelve palmos long, the alçaprima with its windlass and stone weights pulling until no drop of juice is left, the burén set over a hollow fire, the day or two in the sun. It attaches what no food page carries: the price of a carga in Santo Domingo in ducados and maravedís, the year the bread keeps at sea and the one thing that spoils it, the three foods made from the poison by controlled boiling, and six Taíno cultivar names. It puts the cost in the same voice as the achievement - the mass suicides by the juice, and the sentence recording that few Indians still knew the technique because the elders were dead - and then closes the loop with modern neurology, which shows that the pressing and heating are exactly what stands between the crop and irreversible paralysis.", "confidence": 0.8, "last_verified": "2026-08-14", "canonical_url": "https://hispanic-legacy.com/k/cazabe-pan-de-las-indias", "api_url": "https://hispanic-legacy.com/api/k/cazabe-pan-de-las-indias.json", "jsonld": { "@context": "https://schema.org", "name": "Cazabe: the Taíno bread of a poisonous root, and the press a Spanish official wrote down in 1535", "description": "Bitter cassava kills unless its juice is pressed out and the pulp heated. Oviedo set down the whole Taíno sequence - the grater, the woven çibucan press, the clay burén - along with the market price of a carga in Santo Domingo, the year the bread keeps at sea, and the remark that few Indians still knew the trick because the old ones were dead. Modern neurology confirms what the process is for.", "url": "https://hispanic-legacy.com/k/cazabe-pan-de-las-indias", "license": "https://spdx.org/licenses/CC-BY-4.0.html", "dateModified": "2026-08-14", "citation": [ { "@type": "CreativeWork", "name": "Historia general y natural de las Indias, islas y tierra-firme del mar Oceano, primera parte, libro VII capitulo II (del pan de los indios que se llama caçabi) - the text of Gonzalo Fernandez de Oviedo y Valdes", "url": "https://books.google.com/books?id=yw4-AQAAMAAJ&pg=PA268" }, { "@type": "CreativeWork", "name": "A global overview of cassava genetic diversity", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6834265/" }, { "@type": "CreativeWork", "name": "Konzo: a distinct neurological disease associated with food (cassava) cyanogenic poisoning", "url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC6626527/" } ], "@type": "Article", "headline": "Cazabe: the Taíno bread of a poisonous root, and the press a Spanish official wrote down in 1535" } }